The answer is B, swarming and attacks.
Shouting taunts, threats, or "catcalls" at other people in any kind of environment, whether you know them or not, is an example of
answer: Verbal harassment
The correct answer is A.
All of these signs would indicate substance abuse as they are all negative behaviors and would raise a red flag that something needs to be done to get him back to a healthy state and drug free. There are some signs in the other options that would indicate the same but not altogether as a whole.
four main settings for employment of public health care
c